<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<body>
<div>
    <h2>登录</h2>
    <fieldset>
        <form method="post" action="/submit">
           用户名: <input type="text" name="username"/>
            密码: <input type="password" name="password"/>
            <input type="submit" value="提交"/>
        </form>
    </fieldset>
</div>
</body>
</html>
